Special high-temperature-resistant filter material for pigment carbon black

Abstract

The utility model relates to the technical field of high-temperature-resistant filter materials, and discloses a special high-temperature-resistant filter material for pigment carbon black, which comprises a top cleaning layer, a bottom cleaning layer arranged at the bottom of the top cleaning layer, a high-temperature-resistant filter layer arranged at the bottom of the top cleaning layer, a first cooling layer arranged at the bottom of the high-temperature-resistant filter layer, and a second cooling layer arranged at the bottom of the high-temperature-resistant filter layer. A second cooling layer is arranged at the bottom of the first cooling layer, and a flame-retardant layer is arranged at the bottom of the second cooling layer. Through the cooling layer I and the cooling layer II made of diatomite, the cooling layer I and the cooling layer II can be used for cooling flue gas, so that the flue gas passes through the high-temperature-resistant filter layer at a lower temperature, the service life of the high-temperature-resistant filter layer is prolonged, and the problem that the existing filter material cannot be used for cooling heat in the flue gas, so that the service life of the high-temperature-resistant filter layer is prolonged is solved. The problems that some materials in the filter material are influenced by the temperature for a long time, so that the service life is short, the maintenance period is short, and the filtering cost is increased are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature resistant filter material technical field, concretely is high temperature resistant filter material special for pigment carbon black. BACKGROUND

[0002] The pigment carbon black refers to the pigment used as the colorant in paint, ink, plastic, chemical fiber and leather chemical industry.

[0003] In the production process of pigment carbon black, the main role of filter material is to separate carbon black and flue gas. Specifically, in the oil furnace method production, carbon black is generated by incomplete combustion or pyrolysis at high temperature, suspended in flue gas to form smoke. These flue gas is treated by quenching to prevent carbon black particle agglomeration, and then separated by bag filter and other equipment, sent to the granulator for granulation, and dried by the dryer.

[0004] The existing filter material cannot reduce the heat in the flue gas, so that some materials in the filter material are affected by the temperature for a long time, resulting in short service life and short maintenance cycle, thereby increasing the filtration cost. UTILITY MODEL CONTENT

[0005] In view of the deficiency of the prior art, the utility model provides high temperature resistant filter material special for pigment carbon black, which has the advantages of long service life and easy cleaning of the top and bottom, and solves the problems raised in the above background art.

[0006] The utility model provides the following technical scheme: high temperature resistant filter material special for pigment carbon black, including top cleaning layer, the bottom of top cleaning layer is equipped with bottom cleaning layer, the bottom of top cleaning layer is equipped with high temperature resistant filter layer, the bottom of high temperature resistant filter layer is equipped with cooling layer one, the bottom of cooling layer one is equipped with cooling layer two, the bottom of cooling layer two is equipped with fire -retardant layer.

[0007] As a preferred technical scheme of the utility model, the high temperature resistant filter layer comprises a filter layer one, the bottom of the filter layer one is provided with a filter layer two, and the bottom of the filter layer two is provided with a filter layer three.

[0008] As a preferred technical scheme of the utility model, the filter layer one is prepared by silicon carbide ceramic, the filter layer two is prepared by synthetic fiber high temperature resistant filter cotton, and the filter layer three is prepared by metal fiber.

[0009] As a preferred technical scheme of the utility model, the cooling layer one and the cooling layer two are both prepared by diatomite, and the top cleaning layer and the bottom cleaning layer are both prepared by fluorine meixi series high temperature resistant needle felt.

[0010] As a preferred technical scheme of the utility model, the fire -retardant layer is prepared by PPS superfine fiber.

[0011] As a preferred technical scheme of the utility model, the outer edge of the top cleaning layer, the high-temperature-resistant filter layer, the first temperature-reducing layer, the second temperature-reducing layer, the fire-retardant layer and the bottom cleaning layer is provided with an outer frame body, and the inner walls of the top and the bottom of the outer frame body are provided with fixed frames.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The high-temperature-resistant filter material special for pigment carbon black is made of diatomite, the first temperature-reducing layer and the second temperature-reducing layer can reduce the temperature of flue gas, the flue gas with a lower temperature passes through the high-temperature-resistant filter layer, the service life of the high-temperature-resistant filter layer is improved, and the problem that the existing filter material cannot reduce the heat in flue gas, some materials in the filter material are affected by temperature for a long time, the service life is short, the maintenance cycle is short, and the filter cost is increased is solved.

[0014] 2. The high-temperature-resistant filter material special for pigment carbon black is provided with the top cleaning layer and the bottom cleaning layer, the surface of the top cleaning layer and the bottom cleaning layer is easy to be cleaned, the surface can also prevent static electricity, and the flue gas dust at the top and the bottom of the filter material can be quickly cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an internal schematic view of the utility model;

[0016] Figure 2 It is an overall schematic view of the utility model;

[0017] Figure 3 It is a sectional structure schematic view of the utility model;

[0018] Figure 4 It is an unfolded structure schematic view of the utility model;

[0019] Figure 5 It is an internal schematic view of the utility model Figure 4

[0020] In the figure: 1, top cleaning layer; 2, high-temperature-resistant filter layer; 201, filter layer one; 202, filter layer two; 203, filter layer three; 3, first temperature-reducing layer; 4, second temperature-reducing layer; 5, fire-retardant layer; 6, bottom cleaning layer; 7, outer frame body; 8, fixed frame. DETAILED DESCRIPTION

[0021] ​Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0022] Please refer to Figure 1 Figure 5 The special high-temperature-resistant filter material for pigment carbon black production waste gas includes a top cleaning layer 1, a bottom cleaning layer 6 arranged at the bottom of the top cleaning layer 1, a high-temperature-resistant filter layer 2 arranged at the bottom of the top cleaning layer 1, a cooling layer one 3 arranged at the bottom of the high-temperature-resistant filter layer 2, a cooling layer two 4 arranged at the bottom of the cooling layer one 3, and a fire-retardant layer 5 arranged at the bottom of the cooling layer two 4. The pigment carbon black production waste gas passes through the bottom cleaning layer 6, and larger flue gas particles are filtered by the bottom cleaning layer 6. The flue gas particles on the bottom cleaning layer 6 are easy to be cleaned during cleaning. The fire-retardant layer 5 can prevent the upper part from being damaged due to high flue gas temperature, thereby improving the service life of the device. Then, the temperature of the flue gas is reduced by the cooling layer two 4 and the cooling layer one 3, and the flue gas is fully filtered by the high-temperature-resistant filter layer 2. The top cleaning layer 1 can facilitate cleaning of the falling flue gas dust.

[0023] In a preferred embodiment, the high-temperature-resistant filter layer 2 includes a filter layer one 201, a filter layer two 202 arranged at the bottom of the filter layer one 201, and a filter layer three 203 arranged at the bottom of the filter layer two 202. The flue gas is fully filtered by the filter layer one 201, the filter layer two 202, and the filter layer three 203, so that the flue gas can meet the emission standard, and harmful substances in the flue gas can be better treated, thereby reducing the pollution of the flue gas to the atmosphere.

[0024] In a preferred embodiment, the filter layer one 201 is prepared from silicon carbide ceramic. The silicon carbide ceramic has bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance, and low friction coefficient. The high-temperature strength of the silicon carbide ceramic can be maintained up to 1600℃. At the same time, the filtering precision of the silicon carbide ceramic can reach microfiltration and ultrafiltration levels, effectively removing particles, oil droplets, emulsions, and suspended solids, and being suitable for various filtering needs. The filter layer two 202 is prepared from synthetic fiber high-temperature-resistant filter cotton. The synthetic fiber high-temperature-resistant filter cotton can effectively remove dust and filter tar, soot, dust, and other particulate matters generated in a high-temperature drying room. The filter layer three 203 is prepared from metal fiber. The metal fiber has the characteristics of good filtering effect, low filtering resistance, and strong impurity capturing capacity. The metal fiber filter performs well in high-temperature and high-pressure environments, has excellent durability, corrosion resistance, and wear resistance, can greatly improve product quality, prolong the service life of production equipment, and save production costs.​

[0025] In a preferred embodiment, the cooling layer one 3 and the cooling layer two 4 are both prepared by diatomite, the cooling performance of diatomite is mainly embodied in its excellent heat preservation and heat insulation performance and the reduction of air temperature by adsorbing impurities, diatomite has a porous structure, a large surface area and a strong adsorption capacity, can effectively adsorb impurities and harmful substances in flue gas, the top cleaning layer 1 and the bottom cleaning layer 6 are both prepared by a Fumex series high-temperature-resistant needle felt, the Fumex high-temperature-resistant needle felt can work stably for a long time in a high-temperature environment of 200-300 DEG C, and some varieties can even withstand a high temperature of 450 DEG C instantaneously, and the Fumex filter material also has the functions of easy dust removal and anti-static through different surface chemical treatments and finishing technologies.

[0026] In a preferred embodiment, the fire-retardant layer 5 is prepared by PPS ultra-fine fibers, the PPS ultra-fine fibers have good fire-retardant effect, the limiting oxygen index is as high as 34, and the combustion rate and smoke production are very low, and the PPS ultra-fine fibers also have excellent high-temperature resistance and can be used in a high-temperature environment above 200 DEG C for a long time, and the temperature resistance can reach 190 DEG C.

[0027] In a preferred embodiment, the outer edges of the top cleaning layer 1, the high-temperature-resistant filter layer 2, the cooling layer one 3, the cooling layer two 4, the fire-retardant layer 5 and the bottom cleaning layer 6 are provided with an outer frame 7, the inner walls of the top and bottom of the outer frame 7 are provided with a fixed frame 8, the outer frame 7 serves to store the top cleaning layer 1, the high-temperature-resistant filter layer 2, the cooling layer one 3, the cooling layer two 4, the fire-retardant layer 5 and the bottom cleaning layer 6, and the outer frame 7 fixes the top cleaning layer 1, the high-temperature-resistant filter layer 2, the cooling layer one 3, the cooling layer two 4, the fire-retardant layer 5 and the bottom cleaning layer 6 in the outer frame 7.

[0028] Working principle, in use, flue gas passes through the bottom cleaning layer 6 made of a Fumex series high-temperature-resistant needle felt, then passes through the fire-retardant layer 5 made of PPS ultra-fine fibers, then passes through the cooling layer one 3 and the cooling layer two 4 made of diatomite for cooling treatment, then passes through the filter layer three 203 made of metal fibers, the filter layer two 202 made of high-temperature-resistant filter cotton and the filter layer one 201 made of silicon carbide ceramic for filtering and cooling treatment, and then passes through the top cleaning layer 1 made of a Fumex series high-temperature-resistant needle felt, so that the flue gas can be treated.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant filter material for pigment carbon black, comprising a top clean layer (1), characterized in that: The bottom of the top cleaning layer (1) is provided with a bottom cleaning layer (6), the bottom of the top cleaning layer (1) is provided with a high-temperature-resistant filter layer (2), the bottom of the high-temperature-resistant filter layer (2) is provided with a cooling layer one (3), the bottom of the cooling layer one (3) is provided with a cooling layer two (4), and the bottom of the cooling layer two (4) is provided with a flame-retardant layer (5).

2. The pigment carbon black special high temperature resistant filter material according to claim 1, characterized in that: The high-temperature-resistant filter layer (2) comprises a filter layer one (201), the bottom of the filter layer one (201) is provided with a filter layer two (202), and the bottom of the filter layer two (202) is provided with a filter layer three (203).

3. The pigment carbon black special high temperature resistant filter material according to claim 2, characterized in that: The filter layer one (201) is prepared from silicon carbide ceramic, the filter layer two (202) is prepared from synthetic fiber high-temperature-resistant filter cotton, and the filter layer three (203) is prepared from metal fiber.

4. The pigment carbon black special high temperature resistant filter material according to claim 1, characterized in that: The cooling layer one (3) and the cooling layer two (4) are both prepared from diatomite, and the top cleaning layer (1) and the bottom cleaning layer (6) are both prepared from fluorine meixi series high-temperature-resistant needle felt.

5. The pigment carbon black special high temperature resistant filter material according to claim 1, characterized in that: The flame-retardant layer (5) is prepared from PPS ultra-fine fiber.

6. The pigment carbon black special high temperature resistant filter material according to claim 1, characterized in that: Outer frames (7) are mounted on the outer edges of the top cleaning layer (1), the high-temperature-resistant filter layer (2), the cooling layer one (3), the cooling layer two (4), the flame-retardant layer (5) and the bottom cleaning layer (6), and the inner walls of the top and bottom of the outer frames (7) are both provided with fixed frames (8).

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